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Finding the Fourth Proportional to 5,944.60, 8,908.80 and 4,211.20

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Solution

The fourth proportional to 5,944.60, 8,908.80 and 4,211.20 is: 6,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,944.60 : 8,908.80 = 4,211.20 : x
  2. Step 2: Convert to fraction form
    5,944.60/8,908.80 = 4,211.20/x
  3. Step 3: Cross multiply
    5,944.60x = 8,908.80 × 4,211.20
  4. Step 4: Simplify right side
    5,944.60x = 37,516,738.56
  5. Step 5: Solve for x
    x = 37,516,738.56/5,944.60
  6. Step 6: Final answer
    x = 6,311.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.